{"product_id":"fbt-muse-218-sa","title":"FBT Muse 218 SA","description":"\u003ch1\u003eFBT Muse 218 SA – Active Dual 18-Inch Ground-Stack Subwoofer (4000W RMS)\u003c\/h1\u003e\n\u003cp\u003eBuy the FBT Muse 218 SA, a high-output active dual 18-inch bass-reflex subwoofer featuring 4000W Class-D amplification, custom B\u0026amp;C transducers, and onboard DSP processing. In stock, fast UK delivery.\u003c\/p\u003e\n\u003cp\u003eThe FBT Muse 218 SA is an ultra-high-output, professional active dual 18-inch ground-stack subwoofer engineered for large-scale touring applications, outdoor festivals, high-capacity nightclubs, and live performance venues. Driven by an impressive 4000W RMS Class-D amplifier module, this heavy-duty bass-reflex enclosure delivers massive low-frequency reinforcement down to 30 Hz with a staggering maximum SPL output of 143.5 dB. Loaded with two custom-designed 18-inch B\u0026amp;C neodymium woofers featuring 4-inch voice coils, the Muse 218 SA combines immense acoustic power with precise transient response. Housed in a birch plywood cabinet with a scratch-resistant black finish, eight integrated handles, and eight M10 rigging points, it stands as an uncompromising low-end foundation for the FBT Muse line array system.\u003c\/p\u003e\n\u003ch3\u003eStaff Take: The Expert Verdict\u003c\/h3\u003e\n\u003cp\u003eThe single strongest selling point of the FBT Muse 218 SA is its incredible combination of 4000W Class-D power density and refined Italian acoustic engineering. The standout feature is its integrated DSP engine with selectable presets, which lets production technicians quickly deploy cardioid subwoofer arrays to reject rear low-end spill on stage without needing external system controllers. We highly recommend this dual 18-inch sub for touring production companies, festival organizers, and venue installers who require visceral, chest-thumping sub-bass performance with rock-solid reliability.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose the FBT Muse 218 SA Subwoofer?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eMassive 4000W RMS Class-D amplification:\u003c\/b\u003e Delivers huge power reserves with exceptional thermal efficiency to sustain continuous high-output performance during demanding live shows.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDual 18-inch custom B\u0026amp;C woofers:\u003c\/b\u003e Fitted with high-excursion 18-inch neodymium drivers and 4-inch voice coils for deep, articulate bass extension down to 30 Hz.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e143.5 dB peak SPL output:\u003c\/b\u003e Generates immense acoustic energy capable of covering massive outdoor festival grounds and high-capacity venue spaces effortlessly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eOnboard digital signal processing (DSP):\u003c\/b\u003e Features flexible DSP presets, variable delay settings, and crossover configurations accessible directly via the rear panel.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCardioid array capability:\u003c\/b\u003e Pre-programmed DSP profiles allow quick setup of directional cardioid sub configurations to minimize low-end stage bleed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHeavy-duty Baltic birch construction:\u003c\/b\u003e Constructed from tour-grade 18mm birch plywood with a tough, scratch-resistant polyurea coating designed for harsh road conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eVersatile rigging and transport options:\u003c\/b\u003e Outfitted with eight ergonomically recessed aluminum handles, eight M10 mounting points, and rear slots for optional heavy-duty transport casters.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho is the FBT Muse 218 SA best suited for?\u003c\/h2\u003e\n\u003cp\u003eThe FBT Muse 218 SA is designed first and foremost for touring sound providers, production rental companies, and system integrators who need top-tier low-frequency output for large events. Its physical and acoustic design seamlessly integrates alongside FBT Muse 210 LA line array modules, forming a cohesive, high-performance PA system for concerts, arenas, and outdoor festivals.\u003c\/p\u003e\n\u003cp\u003eFor secondary applications, this active subwoofer serves as a premier solution for high-end electronic music venues, large places of worship, and corporate staging providers. The onboard DSP routing makes it easy to configure for various room geometries without requiring complex external drive racks.\u003c\/p\u003e\n\u003ch2\u003eFBT Muse 218 SA vs Standard Dual 18 Subwoofers — What's Changed?\u003c\/h2\u003e\n\u003cp\u003eThe core advantage of moving to the FBT Muse 218 SA over conventional dual 18-inch active subwoofers lies in its superior power-to-weight ratio and integrated DSP intelligence. Where traditional analog-driven subwoofers rely on heavy internal transformers and external system controllers, the Muse 218 SA combines a high-efficiency 4000W Class-D amplifier with internal digital processing in a single self-contained unit.\u003c\/p\u003e\n\u003cp\u003eSecondary enhancements focus on driver technology and enclosure tuning. By incorporating custom Italian-made B\u0026amp;C neodymium transducers, FBT reduces total cabinet weight while increasing voice coil thermal headroom. The tuned bass-reflex enclosure optimizes airflow to eliminate port turbulence and power compression, delivering clean, punchy sub-bass even under extreme load.\u003c\/p\u003e\n\u003ch2\u003eHow to Set Up the FBT Muse 218 SA\u003c\/h2\u003e\n\u003col start=\"1\"\u003e\n\u003cli\u003e\n\u003cp\u003ePosition the subwoofer on a flat, level floor surface at the front of stage or ground-stacked beneath line array frames.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConnect your line-level balanced audio input (from a mixer or system processor) to the female XLR input socket on the rear control panel.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIf linking multiple subwoofers or main tops, use the male XLR link output to pass the balanced signal downstream.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSelect your desired DSP preset (such as crossover frequency or cardioid alignment) using the rear panel rotary selector.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConnect a heavy-duty Neutrik powerCON TRUE1 mains power cable to the power input socket and twist to lock.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePower on your audio console first, followed by the subwoofer unit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGradually adjust the rear gain control to match the gain structure of your mid\/high speakers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSystem Feature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eProduct Classification\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eActive Dual 18-Inch Ground-Stack Subwoofer\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eAmplifier Power Rating\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4000 W RMS Class-D\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eFrequency Response\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e30 Hz to 120 Hz (-6 dB)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eLow-Frequency Transducers\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 × 18\" B\u0026amp;C Neodymium Woofers (4\" Voice Coil)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eMaximum SPL (Peak)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e143.5 dB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eDispersion Pattern\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOmnidirectional (Cardioid setup capable via DSP)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eInput Connectors\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBalanced XLR Input \u0026amp; XLR Link Output\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003ePower Connector\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNeutrik powerCON TRUE1 In \/ Out\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eCabinet Construction\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e18 mm Baltic Birch Plywood with Black Polyurea Finish\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eRigging \/ Transport\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8 × M10 Points, 8 × Recessed Handles, Optional Rear Caster Mounts\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eDimensions (W × H × D)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1140 mm × 550 mm × 700 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eNet Weight\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e95.0 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eCan the FBT Muse 218 SA be used in a cardioid subwoofer array?\u003c\/h3\u003e\n\u003cp\u003eYes, it can. The onboard DSP includes dedicated cardioid delay and phase presets. By placing one sub facing backward within a cluster and selecting the cardioid preset, you can significantly reduce low-frequency sound spilling behind the array onto the stage.\u003c\/p\u003e\n\u003ch3\u003eWhat main speakers pair best with the Muse 218 SA?\u003c\/h3\u003e\n\u003cp\u003eThe Muse 218 SA is acoustically and physically engineered to pair perfectly with FBT Muse 210 LA active line array modules, but it works equally well as a ground-stacked sub foundation for any high-output point source or line array PA system.\u003c\/p\u003e\n\u003ch3\u003eWhat type of power connector does this subwoofer use?\u003c\/h3\u003e\n\u003cp\u003eThe unit utilizes locking Neutrik powerCON TRUE1 power input and loop-output connectors, providing a safe, weather-resistant power connection that prevents accidental disconnections during live performances.\u003c\/p\u003e\n\u003ch3\u003eCan I attach wheels to the back of the cabinet for transport?\u003c\/h3\u003e\n\u003cp\u003eYes, the rear panel of the enclosure features pre-drilled mounting slots designed to accept standard heavy-duty 100mm swivel casters, making transport across venue floors and truck ramps significantly easier.\u003c\/p\u003e\n\u003ch3\u003eDoes this active subwoofer require external processing?\u003c\/h3\u003e\n\u003cp\u003eNo external processor is required. The built-in DSP manages crossover filtering, equalization, phase alignment, driver protection, and limiter functions automatically.\u003c\/p\u003e\n\u003ch2\u003eWhat's In The Box?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e1 × FBT Muse 218 SA Active Dual 18-Inch Subwoofer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1 × Neutrik powerCON TRUE1 Mains Power Cable\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1 × User Manual \u0026amp; Setup Guide\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Buy From DJKIT?\u003c\/h2\u003e\n\u003cp\u003eWhen you source your touring PA equipment from djkit®, you are working with an established UK pro-audio retailer that has served the live event community since 1999. Our technical team tests and configures high-output active PA systems for festivals, venues, and hire companies, offering expert field advice on gain staging, power management, and system alignment.\u003c\/p\u003e\n\u003cp\u003eWhether you need assistance designing a complete line array rig or selecting the right cabling and transport accessories, our sales team is here to help. Contact our specialists today on 01635 780002 or send a message to our main sales support desk. We offer flexible 0% finance options, real-time stock management, and fast UK delivery to keep your production moving forward.\u003c\/p\u003e","brand":"FBT Audio","offers":[{"title":"Default Title","offer_id":54514995626317,"sku":"45176","price":4195.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/2320\/5453\/files\/download_1.webp?v=1786718002","url":"https:\/\/www.djkit.com\/products\/fbt-muse-218-sa","provider":"DJKIT®","version":"1.0","type":"link"}